diff options
| author | marcel <marcel@FreeBSD.org> | 2013-11-01 01:32:01 +0000 |
|---|---|---|
| committer | marcel <marcel@FreeBSD.org> | 2013-11-01 01:32:01 +0000 |
| commit | 1615b77f79dd5e3f7519b01c337d426fc66ced2d (patch) | |
| tree | 707cbe1c82ea11e79c3ada9ba00faa3fd4c9c5c6 /sys/ia64 | |
| parent | 12021c508b2a597cdad83c39a2e54de3fa451506 (diff) | |
| download | FreeBSD-src-1615b77f79dd5e3f7519b01c337d426fc66ced2d.zip FreeBSD-src-1615b77f79dd5e3f7519b01c337d426fc66ced2d.tar.gz | |
Use LOG2_ID_PAGE_SIZE again for the identity mapping in regions 6 & 7.
Make the default translation size the same as the PBVM page size to
avoid inserting overlapping translations in the TC. That generally is
very bad.
Diffstat (limited to 'sys/ia64')
| -rw-r--r-- | sys/ia64/ia64/machdep.c | 4 | ||||
| -rw-r--r-- | sys/ia64/ia64/mp_machdep.c | 4 | ||||
| -rw-r--r-- | sys/ia64/include/param.h | 5 |
3 files changed, 9 insertions, 4 deletions
diff --git a/sys/ia64/ia64/machdep.c b/sys/ia64/ia64/machdep.c index 5373151..92bbc64c 100644 --- a/sys/ia64/ia64/machdep.c +++ b/sys/ia64/ia64/machdep.c @@ -716,8 +716,8 @@ ia64_init(void) * handlers. Here we just make sure that they have the largest * possible page size to minimise TLB usage. */ - ia64_set_rr(IA64_RR_BASE(6), (6 << 8) | (PAGE_SHIFT << 2)); - ia64_set_rr(IA64_RR_BASE(7), (7 << 8) | (PAGE_SHIFT << 2)); + ia64_set_rr(IA64_RR_BASE(6), (6 << 8) | (LOG2_ID_PAGE_SIZE << 2)); + ia64_set_rr(IA64_RR_BASE(7), (7 << 8) | (LOG2_ID_PAGE_SIZE << 2)); ia64_srlz_d(); /* Initialize/setup physical memory datastructures */ diff --git a/sys/ia64/ia64/mp_machdep.c b/sys/ia64/ia64/mp_machdep.c index 74adef4..4b7bb7b 100644 --- a/sys/ia64/ia64/mp_machdep.c +++ b/sys/ia64/ia64/mp_machdep.c @@ -208,8 +208,8 @@ ia64_ap_startup(void) ia64_ap_state.as_trace = 0x100; ia64_set_rr(IA64_RR_BASE(5), (5 << 8) | (PAGE_SHIFT << 2) | 1); - ia64_set_rr(IA64_RR_BASE(6), (6 << 8) | (PAGE_SHIFT << 2)); - ia64_set_rr(IA64_RR_BASE(7), (7 << 8) | (PAGE_SHIFT << 2)); + ia64_set_rr(IA64_RR_BASE(6), (6 << 8) | (LOG2_ID_PAGE_SIZE << 2)); + ia64_set_rr(IA64_RR_BASE(7), (7 << 8) | (LOG2_ID_PAGE_SIZE << 2)); ia64_srlz_d(); pcpup = ia64_ap_state.as_pcpu; diff --git a/sys/ia64/include/param.h b/sys/ia64/include/param.h index c00eb28..a260a75 100644 --- a/sys/ia64/include/param.h +++ b/sys/ia64/include/param.h @@ -105,6 +105,11 @@ #endif #define KSTACK_GUARD_PAGES 0 /* pages of kstack guard; 0 disables */ +/* The default size of identity mappings in region 6 & 7. */ +#ifndef LOG2_ID_PAGE_SIZE +#define LOG2_ID_PAGE_SIZE 16 +#endif + /* * Mach derived conversion macros */ |
